完善数据更新函数;调整时间轴显示范围符合数据返回的内容

This commit is contained in:
JIANG
2025-12-18 16:03:47 +08:00
parent cfb2a524ad
commit 5cc7275186

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@@ -4,7 +4,6 @@ import React, { useState, useEffect, useRef, useCallback } from "react";
import { useNotification } from "@refinedev/core";
import WebGLVectorTileLayer from "ol/layer/WebGLVectorTile";
import { parseColor } from "@/utils/parseColor";
import { calculateClassification } from "@/utils/breaks_classification";
import {
Box,
@@ -51,16 +50,16 @@ interface PredictionResult {
// 彩虹色配置
const RAINBOW_COLORS = [
"rgba(142, 68, 173, 1)", // 紫
"rgba(63, 81, 181, 1)", // 靛青
"rgba(33, 150, 243, 1)", // 天蓝
"rgba(0, 188, 212, 1)", // 青色
"rgba(0, 158, 115, 1)", // 青绿
"rgba(76, 175, 80, 1)", // 中绿
"rgba(199, 224, 0, 1)", // 黄绿
"rgba(255, 215, 0, 1)", // 金黄
"rgba(255, 127, 0, 1)", // 橙
"rgba(255, 0, 0, 1)", // 红
"rgba(142, 68, 173, 0.9)", // 紫
"rgba(63, 81, 181, 0.9)", // 靛青
"rgba(33, 150, 243, 0.9)", // 天蓝
"rgba(0, 188, 212, 0.9)", // 青色
"rgba(0, 158, 115, 0.9)", // 青绿
"rgba(76, 175, 80, 0.9)", // 中绿
"rgba(199, 224, 0, 0.9)", // 黄绿
"rgba(255, 215, 0, 0.9)", // 金黄
"rgba(255, 127, 0, 0.9)", // 橙
"rgba(255, 0, 0, 0.9)", // 红
];
interface TimelineProps {
@@ -79,7 +78,7 @@ const Timeline: React.FC<TimelineProps> = ({
}
const { open } = useNotification();
const [selectedDateTime, setSelectedDateTime] = useState<Date>(new Date());
const [currentYear, setCurrentYear] = useState<number>(1); // 时间轴当前值 (1-100)
const [currentYear, setCurrentYear] = useState<number>(4); // 时间轴当前值 (4-73)
const [isPlaying, setIsPlaying] = useState<boolean>(false);
const [playInterval, setPlayInterval] = useState<number>(15000); // 毫秒
const [isPredicting, setIsPredicting] = useState<boolean>(false);
@@ -88,9 +87,12 @@ const Timeline: React.FC<TimelineProps> = ({
>([]);
const [pipeLayer, setPipeLayer] = useState<WebGLVectorTileLayer | null>(null);
// 计算时间轴范围 (1-100)
const minTime = 1;
const maxTime = 100;
// 使用 ref 存储当前的健康数据,供事件监听器读取,避免重复绑定
const healthDataRef = useRef<Map<string, number>>(new Map());
// 计算时间轴范围 (4-73)
const minTime = 4;
const maxTime = 73;
const intervalRef = useRef<NodeJS.Timeout | null>(null);
const timelineRef = useRef<HTMLDivElement>(null);
@@ -98,10 +100,10 @@ const Timeline: React.FC<TimelineProps> = ({
// 添加防抖引用
const debounceRef = useRef<NodeJS.Timeout | null>(null);
// 时间刻度数组 (1-100每10个单位一个刻度)
const valueMarks = Array.from({ length: 10 }, (_, i) => ({
value: (i + 1) * 10,
label: `${(i + 1) * 10}`,
// 时间刻度数组 (4-73每3个单位一个刻度)
const valueMarks = Array.from({ length: 24 }, (_, i) => ({
value: 4 + i * 3,
label: `${4 + i * 3}`,
}));
// 播放时间间隔选项
@@ -256,34 +258,86 @@ const Timeline: React.FC<TimelineProps> = ({
clearTimeout(debounceRef.current);
}
};
}, []);
}, [pipeLayer]);
// 获取地图实例
const map = useMap();
// 根据年份从 survival_function 中插值获取生存概率
// 根据索引从 survival_function 中获取生存概率
const getSurvivalProbabilityAtYear = useCallback(
(survivalFunc: SurvivalFunction, year: number): number => {
const { x, y } = survivalFunc;
if (x.length === 0 || y.length === 0) return 1;
(survivalFunc: SurvivalFunction, index: number): number => {
const { y } = survivalFunc;
if (y.length === 0) return 1;
// 如果年份小于最小值,返回第一个概率
if (year <= x[0]) return y[0];
// 如果年份大于最大值,返回最后一个概率
if (year >= x[x.length - 1]) return y[y.length - 1];
// 线性插值
for (let i = 0; i < x.length - 1; i++) {
if (year >= x[i] && year <= x[i + 1]) {
const ratio = (year - x[i]) / (x[i + 1] - x[i]);
return y[i] + ratio * (y[i + 1] - y[i]);
}
}
return 1;
// 确保索引在范围内
const safeIndex = Math.max(0, Math.min(index, y.length - 1));
return y[safeIndex];
},
[]
);
// 更新管道图层中的 healthRisk 属性
const updatePipeHealthData = useCallback(
(healthData: Map<string, number>) => {
if (!pipeLayer) return;
const source = pipeLayer.getSource() as any;
if (!source) return;
const sourceTiles = source.sourceTiles_;
if (!sourceTiles) return;
Object.values(sourceTiles).forEach((vectorTile: any) => {
const renderFeatures = vectorTile.getFeatures();
if (!renderFeatures || renderFeatures.length === 0) return;
renderFeatures.forEach((renderFeature: any) => {
const featureId = renderFeature.get("id");
const value = healthData.get(featureId);
if (value !== undefined) {
renderFeature.properties_["healthRisk"] = value;
}
});
});
},
[pipeLayer]
);
// 监听瓦片加载,为新瓦片设置 healthRisk 属性
// 只在 pipeLayer 变化时绑定一次,通过 ref 获取最新数据
useEffect(() => {
if (!pipeLayer) return;
const source = pipeLayer.getSource() as any;
if (!source) return;
const listener = (event: any) => {
const vectorTile = event.tile;
const renderFeatures = vectorTile.getFeatures();
if (!renderFeatures || renderFeatures.length === 0) return;
const healthData = healthDataRef.current;
let i = 0;
renderFeatures.forEach((renderFeature: any) => {
const featureId = renderFeature.get("id");
const value = healthData.get(featureId);
if (value !== undefined) {
renderFeature.properties_["healthRisk"] = value;
// 输出前10个点的信息以供调试
if (i < 10) {
console.log(
`瓦片加载 - 设置特征 ${featureId} 的 healthRisk 为 ${value}`
);
i++;
}
}
});
};
source.on("tileloadend", listener);
return () => {
source.un("tileloadend", listener);
};
}, [pipeLayer]);
// 应用样式到管道图层
const applyPipeHealthStyle = useCallback(() => {
if (!pipeLayer || predictionResults.length === 0) {
@@ -291,38 +345,32 @@ const Timeline: React.FC<TimelineProps> = ({
}
// 为每条管道计算当前年份的生存概率
const pipeHealthData: { [key: string]: number } = {};
const pipeHealthData = new Map<string, number>();
predictionResults.forEach((result) => {
const probability = getSurvivalProbabilityAtYear(
result.survival_function,
currentYear
currentYear - 1 // 使用索引 (0-based)
);
pipeHealthData[result.link_id] = probability;
pipeHealthData.set(result.link_id, probability);
});
// 获取所有概率值用于分类
const probabilities = Object.values(pipeHealthData);
if (probabilities.length === 0) return;
// 使用优雅分段方法计算断点10个分段
const segments = 10;
const breaks = calculateClassification(
probabilities,
segments,
"pretty_breaks"
// 更新 ref 数据
healthDataRef.current = pipeHealthData;
// 输出前 10 条数据以供调试
console.log(
`更新健康数据,年份: ${currentYear}`,
Array.from(pipeHealthData.entries()).slice(0, 10)
);
// 确保包含最小值和最大值
const minVal = Math.min(...probabilities);
const maxVal = Math.max(...probabilities);
if (!breaks.includes(minVal)) {
breaks.push(minVal);
breaks.sort((a, b) => a - b);
}
if (!breaks.includes(maxVal)) {
breaks.push(maxVal);
breaks.sort((a, b) => a - b);
}
// 更新图层数据
updatePipeHealthData(pipeHealthData);
// 获取所有概率值用于分类
const probabilities = Array.from(pipeHealthData.values());
if (probabilities.length === 0) return;
// 使用等距分段从0-1分为十类
const breaks = [0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0];
// 生成彩虹色(从紫色到红色,低生存概率=高风险=红色)
const colors = RAINBOW_COLORS;
@@ -361,7 +409,13 @@ const Timeline: React.FC<TimelineProps> = ({
console.log(
`已应用健康风险样式,年份: ${currentYear}, 分段: ${breaks.length}`
);
}, [pipeLayer, predictionResults, currentYear, getSurvivalProbabilityAtYear]);
}, [
pipeLayer,
predictionResults,
currentYear,
getSurvivalProbabilityAtYear,
updatePipeHealthData,
]);
// 初始化管道图层
useEffect(() => {
@@ -375,24 +429,15 @@ const Timeline: React.FC<TimelineProps> = ({
if (pipesLayer) {
setPipeLayer(pipesLayer);
console.log("管道图层已找到");
}
}, [map]);
// 监听时间轴变化,更新样式
// 监听依赖变化,更新样式
useEffect(() => {
if (predictionResults.length > 0 && pipeLayer) {
applyPipeHealthStyle();
}
}, [currentYear, predictionResults, pipeLayer, applyPipeHealthStyle]);
// 监听预测结果变化,首次应用样式
useEffect(() => {
if (predictionResults.length > 0 && pipeLayer) {
console.log("预测结果已更新,应用样式");
applyPipeHealthStyle();
}
}, [predictionResults, pipeLayer, applyPipeHealthStyle]);
}, [applyPipeHealthStyle]);
// 这里防止地图缩放时,瓦片重新加载引起的属性更新出错
useEffect(() => {
@@ -440,7 +485,7 @@ const Timeline: React.FC<TimelineProps> = ({
if (response.ok) {
const results: PredictionResult[] = await response.json();
setPredictionResults(results);
console.log("预测结果:", results);
console.log("预测结果:", results[0], results[1], results.length);
open?.({
type: "success",
message: `模拟预测完成,获取到 ${results.length} 条管道数据`,
@@ -613,15 +658,20 @@ const Timeline: React.FC<TimelineProps> = ({
color: "primary.main",
}}
>
{currentYear}
{predictionResults.length > 0 &&
predictionResults[0].survival_function.x[currentYear - 1] !==
undefined
? predictionResults[0].survival_function.x[currentYear - 1]
: currentYear}
</Typography>
</Stack>
<Box ref={timelineRef} sx={{ px: 2, position: "relative" }}>
<Slider
value={currentYear}
min={1}
max={100} // 1-100的范围
min={minTime}
max={maxTime} // 4-73的范围
step={1} // 每1个单位一个步进
marks={valueMarks} // 显示刻度
onChange={handleSliderChange}